Introduction to the virgin forest: The total area of ​​the Nanshan virgin forest is more than 100,000 acres. It is a well-preserved natural forest concentration area. It is also an important place for studying the development of forest ecosystems in subtropical mountainous areas, forest vegetation renewal and succession, and the classification and evolution of wild animal systems. , a relatively complete natural scientific research base and resource gene bank for the protection and management of animal and plant resources.